Danyang Danyao Optics Co. LTD is an optics component manufacturer located in Jiangsu Province, 2 hours driving distance from Shanghai, specializing in the manufacturing of custom built prisms, lenses, windows and filters with various coatings. DDO employs more than 350 skillful workers, who contribute an annual turnover of over 7M USD, producing more than 2M pieces of various optics components annually. It has long been a close partner for several leading optical companies over the world, and aims to be a flagship in optical products' OEM & ODM in the world. (less)